function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function _changeValue (id, value, cls) {
  if (document.getElementById(id).value == document.getElementById(id).defaultValue || document.getElementById(id).value == '') {
    document.getElementById(id).value = value;
  }
  if (cls) {
    _changeClass (id, cls);
  }
}

function _changeClass (id, cls) { 
  document.getElementById(id).className = cls;
}

function _div(id, action) {
  if (document.getElementById) {  // DOM3 = IE5, NS6 ou superior
    document.getElementById(id).style.visibility = action;
  } else {
    if (document.layers) {  // Netscape 4 e outros inferiores
      document.id.visibility = action;
    } else {  // IE 4
      document.all.id.style.visibility = action;
    }
  }
}